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Which three statements about OSPF areas are true?()A. Areas introduce a boundary on the link - state updates.B. Areas are logical definitions specific to any given router.C. All routers within an area have the exact link - state database.D. The calculatio

题目
Which three statements about OSPF areas are true?()

A. Areas introduce a boundary on the link - state updates.

B. Areas are logical definitions specific to any given router.

C. All routers within an area have the exact link - state database.

D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.

E. The area designated router will always have a priority of 0.

相似考题

1.Which statement is true about the frequency of OSPF LSA transmissions?()A.AB.BC.CD.D

2.Which three statements about OSPF areas are true?（）A、Areas introduce a boundary on the link - state updates.B、Areas are logical definitions specific to any given router.C、All routers within an area have the exact link - state database.D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.E、The area designated router will always have a priority of 0.

3.Which two statements are true about IS -IS routing?（）A、Based on the default timers, OSPF d etects a failure faster than IS - IS does.B、OSPF default timers permit more tuning than IS - IS does.C、IS - IS is more efficient than OSPF in the use of CPU resources.D、OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.E、IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

4.Which three statements are correct about the differences in IS － IS and OSPF?()A. IS - IS is more CPU - intensive than is OSPFB. For greater fine tuning there are more IS - IS timersC. IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAsD. New additions to the protocol are easily implemented in OSPF but not with IS - ISE. OSPF has more area types than does IS - IS

更多“Which three statements about OSPF areas are true?() ”相关问题

  • 第1题：

    Which one of these statements is true of OSPF type 5 LSAs？ （）

    • A、 They are used to summarize area routes to other areas.
    • B、 They are used in not-so-stubby areas to propagate external routes.
    • C、 They are used to notify areas of the ASBR.
    • D、 They are flooded to all areas except stub areas （external route）.

    正确答案:D

  • 第2题：

    Which two statements about route redistribution when implementing OSPF are true?（）

    • A、Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
    • B、OSPF can import routes learned using EIGRP, RIP, and IS - IS.
    • C、OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.
    • D、At the interdomain level, OSPF cannot import routes learned using BGP.
    • E、OSPF routes can be exported into BGP.

    正确答案:B,E

  • 第3题：

    Which three statements are true about terms in a policy?（）

    • A、The order of the terms in a policy is irrelevant
    • B、The action is specified in a then statement
    • C、Ters are optional in a policy
    • D、The match condition can be identified with a from statement
    • E、Every policy must contain at least one term

    正确答案:B,D,E

  • 第4题：

    Which two statements about the IS -IS routing protocol are true?（）

    • A、IS - IS is capable of supporting IPv4 and IPv6.
    • B、IS - IS is only capable of supporting IPv4 and CLNS.
    • C、IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
    • D、IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
    • E、Level 1 routers learn about paths within the area of which they are a part.
    • F、Level 2 routers learn about paths both within areas and between areas.

    正确答案:A,E

  • 第5题：

    Which three statements are correct about the differences in IS - IS and OSPF?（）

    • A、IS - IS is more CPU - intensive than is OSPF
    • B、For greater fine tuning there are more IS - IS timers
    • C、IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs
    • D、New additions to the protocol are easily implemented in OSPF but not with IS - IS
    • E、OSPF has more area types than does IS - IS

    正确答案:B,C,E

  • 第6题：

    Which three statements about subqueries are true? （）

    • A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
    • B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
    • C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
    • D、Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
    • E、AsinglerowsubquerycanusetheINoperator.
    • F、Amultiplerowsubquerycanusethe"；="；operator.

    正确答案:B,C,E

  • 第7题：

    多选题
    Which three statements about OSPF areas are true?（）
    A

    Areas introduce a boundary on the link - state updates.

    B

    Areas are  logical definitions specific to any given router.

    C

    All routers within an area have the exact link - state database.

    D

    The calculation of the Dijkstra algorithm on a router is limited to changes within an area.

    E

    The area designated router will always  have a priority of 0.


    正确答案： B,E
    解析： 暂无解析

  • 第8题：

    多选题
    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）
    A

    All OSPF networks require the use of multiple areas

    B

    Multiple OSPF areas must connect to area 0

    C

    Single area OSPF networks must be configured in area 1

    D

    Areas can be assigned any number from 0 to 63535

    E

    Area 0 is called the backbone area

    F

    Each OSPF area need to be configured with a loopback interface


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    多选题
    Which two statements about OSPF IPv6 routing are true？（）
    A

    It requires OSPF version 3.

    B

    automatically detects neighbors over NHMA interfaces

    C

    It supports encryption using

    D

    It uses LSA type 9

    E

    It uses LSA type 8


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    多选题
    Which three statements are true about terms in a policy?（）
    A

    The order of the terms in a policy is irrelevant

    B

    The action is specified in a then statement

    C

    Ters are optional in a policy

    D

    The match condition can be identified with a from statement

    E

    Every policy must contain at least one term


    正确答案： E,D
    解析： 暂无解析

  • 第11题：

    多选题
    Which three statements about subqueries are true? （）
    A

    Asinglerowsubquerycanretrieveonlyonecolumnandonerow.

    B

    Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.

    C

    Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.

    D

    Amultiplerowsubquerycanbecomparedusingthe；>；；operator.

    E

    AsinglerowsubquerycanusetheINoperator.

    F

    Amultiplerowsubquerycanusethe；=；operator.


    正确答案： D,A
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true about IS -IS routing?（）
    A

    Based on the default timers, OSPF d etects a failure faster than IS - IS does.

    B

    OSPF default timers permit more tuning than IS - IS does.

    C

    IS - IS is more efficient than OSPF in the use of CPU resources.

    D

    OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.

    E

    IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.


    正确答案： C,B
    解析： 暂无解析

  • 第13题：

    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）

    • A、All OSPF networks require the use of multiple areas
    • B、Multiple OSPF areas must connect to area 0
    • C、Single area OSPF networks must be configured in area 1
    • D、Areas can be assigned any number from 0 to 63535
    • E、Area 0 is called the backbone area
    • F、Each OSPF area need to be configured with a loopback interface

    正确答案:B,E

  • 第14题：

    Which three statements about Label-Switched Paths （LSPs） are true？ （）

    • A、 LSPs are bidirectional.
    • B、 LSPs are unidirectional.
    • C、 LSPs can be signaled by CAC.
    • D、 LSPs can be configured explicitly.
    • E、 LSPs can be configured dynamically.

    正确答案:B,D,E

  • 第15题：

    Which three statements are true about terms in a policy?（）

    • A、The order of the terms in a policy is irrelevant.
    • B、The action is specified in a then statement.
    • C、Terms are optional in a policy.
    • D、The match condition can be identified with a from statement.
    • E、A from statement is mandatory in a term.

    正确答案:B,C,D

  • 第16题：

    The maximum number of routers per OSPF area typically depends on which three factors?（）

    • A、the kind of OSPF areas being implemented
    • B、the number of external LSAs in the network
    • C、the number of DRs and BDRs in the areas
    • D、the number of virtual links in the areas
    • E、how well the areas can be summarized
    • F、the use of LSA filters

    正确答案:A,B,E

  • 第17题：

    Which two statements about OSPF IPv6 routing are true？（）

    • A、It requires OSPF version 3.
    • B、automatically detects neighbors over NHMA interfaces
    • C、It supports encryption using
    • D、It uses LSA type 9
    • E、It uses LSA type 8

    正确答案:A,E

  • 第18题：

    多选题
    Which three statements about Label-Switched Paths （LSPs） are true？ （）
    A

    LSPs are bidirectional.

    B

    LSPs are unidirectional.

    C

    LSPs can be signaled by CAC.

    D

    LSPs can be configured explicitly.

    E

    LSPs can be configured dynamically.


    正确答案： A,B
    解析： 暂无解析

  • 第19题：

    多选题
    Which three statements are correct about the differences in IS - IS and OSPF?（）
    A

    IS - IS is more CPU - intensive than is OSPF

    B

    For greater fine tuning there are more IS - IS timers

    C

    IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs

    D

    New additions to the protocol are easily implemented in OSPF but not with IS - IS

    E

    OSPF has more area types than does IS - IS


    正确答案： C,E
    解析： 暂无解析

  • 第20题：

    单选题
    Which one of these statements is true of OSPF type 5 LSAs？ （）
    A

     They are used to summarize area routes to other areas.

    B

     They are used in not-so-stubby areas to propagate external routes.

    C

     They are used to notify areas of the ASBR.

    D

     They are flooded to all areas except stub areas （external route）.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    The maximum number of routers per OSPF area typically depends on which three factors?（）
    A

    the kind of OSPF areas being implemented

    B

    the number of external LSAs in the network

    C

    the number of DRs and BDRs in the areas

    D

    the number of virtual links in the areas

    E

    how well the areas can be summarized

    F

    the use of LSA filters


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    单选题
    According to the passage, which of the following statements about the cell phone service at Yellowstone is TRUE?
    A

    It is limited to certain areas in the park.

    B

    It is available everywhere in the park.

    C

    It is not available in the park.

    D

    It is available to visitors at a fee.


    正确答案： B
    解析：
    由原文第二段中的“...cell phone service at Yellowstone is available in parts of the park with stores and campgrounds”可知，公园里只能在商店和宿营地才可以使用手机。即在公园里有限的特定区域才可以使用手机，因此A项正确。

  • 第23题：

    单选题
    Which one of these statements is true of OSPF type 5 LSAs？（）
    A

    They are used to summarize area routes to other areas.

    B

    They are used in not-so-stubby areas to propagate external routes.

    C

    They are used to notify areas of the ASBR.

    D

    They are flooded to all areas except stub areas （external route）.


    正确答案： A
    解析： 暂无解析

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